Is it normal for a female dog to become aggressive after being spayed?

I have just had my 6 month old female husky spayed and she has suddenly gone from being sweet and quite submissive to a bit of a hot-head. It's been almost 2 weeks since her operation and she isn't fully healed (although she is acting like it by running around all the time!), so I understand she may be... show more I have just had my 6 month old female husky spayed and she has suddenly gone from being sweet and quite submissive to a bit of a hot-head. It's been almost 2 weeks since her operation and she isn't fully healed (although she is acting like it by running around all the time!), so I understand she may be feeling vulnerable. She never directs this anger toward me or my boyfriend, however has begun directing it at her brother (he has also been fixed so it's not down to him trying to have sex with her or anything). They had a fight today over absolutely nothing and I tried as hard as I could to separate them but she just kept launching at him every time I got her away. She eventually got mad with me trying to intervene and as she was trying to get at him, she bit my leg and it is now a bit bruised and swollen (before anyone says anything, I realise this was my own fault but it was getting out of hand. I had no choice!). Is it normal for them to behave like this when they have had this kind of operation? This really scared me and I had a bit of a panic attack afterwards because it has never took me so long to get them apart before. They usually stop as soon as I tell them to but this time they ignored me and just carried on. She has done this about 4 times since her operation, and every single time I have seen no clear reason for it (i.e. fighting for possession of food, toys etc). She just starts the fight and even when he is willing to back off, she won't stop and doesn't care if we are in the way.

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Answers

Best Answer: Well, it depends. According to various sources and my own observation, some female dogs become more aggressive, but some become less aggressive.
I guess you could call this normal.

There are four types of dog aggression:
Dominant-Aggression- This type of behavior is evident when your dog’s status within the pack (your household) or the community (other dogs and/or people) is threatened.
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Fear Aggression: This type of behavior is evident when your dog become frightened and believes that his physical safety is at risk.

Protection Aggression- This type of behavior is evident when your dog believes that he must protect something or someone. This type of aggressive behavior may also be manifested as Territorial or Possession Aggression, when your dog displays aggressive behavior to prevent danger to someone or something that he controls or owns. Similar in nature, they vary primarily by the factual setting where they are occur.

Redirection Aggression- remember Giuseppe the neighbor who wanted to say hi in our first example? Well, suppose that another neighbor comes over and is unfriendly toward your dog. He might throw a rock at him. Your dog gets riled up, his anger starts to boil. The rock throwing neighbor hops the fence and leaves. Guess what might happen? Yup, Giuseppe might be on the receiving end of growling or in the worse case scenario, a bite.

And a website says that dog aggression can be SOLVED by spaying...

Spay/ Neuter- Dog Aggression is less evident in female dogs that have been spayed and male dogs that have been neutered. If you are making an appointment at the vet for a checkup, this might be a good time to get this safe and beneficial procedure performed.

but a website also says spaying makes female dogs MORE aggressive because the estrogen, which mediates the testosterone put out by the adrenal glands is absent.

so, it depends.

~hope you find my answer useful! if you do, vote it as the best answer! thanks in advance~

I wish I had an answer. We have a mixed breed (Australian Shepherd/Boxer/Lab mix) 8 month old that we just had spayed (approx 3 weeks ago). After her spaying, she got infected and had to take antibiotics and steroids. She began displaying aggressive behavior toward her brother and I thought it could be the steroids (like it does in humans). I stopped giving her the steroids, about 3 days ago, and she continues to fight with her brother. I thought it was because of food, because she was eating, when it first happened), but today she jumped on her brother for no apparent reason, other than they were both hanging out by my husband. If anybody can help I would greatly appreciate it because this really worries me. Will she calm down, in time? I also have a 7 year old chiweenie, who is spayed, and she doesn t bother her. She just has to keep an eye on her but is not aggressive toward her. What I find odd is that she attacks the male but not the female.

RE:
Is it normal for a female dog to become aggressive after being spayed?
I have just had my 6 month old female husky spayed and she has suddenly gone from being sweet and quite submissive to a bit of a hot-head. It&#39;s been almost 2 weeks since her operation and she isn&#39;t fully healed (although she is acting like it by running around all the time!), so I...

My dog was not aggressive until i spayed her. It has been over a year now and she cannot be trusted with any other animals. She follows commands and understands her place in the family, but if other animals are brought into the picture she freaks out. I definitely feel like the spaying messed with her hormones and made her more dominate aggressive towards other animals.

My dog exactly the same 2 weeks after being spayed she keeps attacking my other female dog for no apparent reason and won't release her bite.... It's a serious issue and I really wish I hadn't got her spayed now as they were really good friends before. Not sure what to do now!

I'd be pretty darn upset too if some one tore out my organs for no fault of my own and left me in pain. Sounds to me like she feels weak and helpless. All this time she was being a good dog and what did that earn her? A trip to the vet for some painful surgery for reasons the poor girl couldn't fathom. The problem here is that she wants to feel at least some power and dominants left in her life. Without the natural female hormones she's likely feeling less of a dog. Of course she knows better then to bite the hand that feeds her. Instead she's bulling the male dog to feel some power again in her life. I really pitty your dogs. The male is probably made an easier target being as he just had his balls removed and the female knows it. Dogs can smell testosterone and your male doesn't have any now, making him a much easier target. My suggestion is to keep them separated or go all out and pay for pet training. In my opinion, you kind of had that bite coming.

Among the many important responsibilities dog owners have, training a dog is among the most important. Learn here https://tr.im/CQgEF

Well-trained pets are easier to care for and love, cause less damage to your home (and theirs), and live happier lives.

Dogs send myriad messages with their bodies and their voices -- this is one reason why they're so fascinating and beloved. The more you understand their messages, the more you understand them and how your own messages are being understood.